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venus: Use maintenance4 to get max_size_buffer 

This should help speedup the device initalization process.

Signed-off-by: Igor Torrente <igor.torrente@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/17399>
This commit is contained in:
Igor Torrente 2022-06-30 09:50:36 -03:00 committed by Marge Bot
parent 1893c81521
commit 48be8a9875
1 changed files with 15 additions and 3 deletions
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18
src/virtio/vulkan/vn_buffer.c
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@ -15,6 +15,7 @@
#include "vn_android.h"
#include "vn_device.h"
#include "vn_physical_device.h"
#include "vn_device_memory.h"
/* buffer commands */
@ -120,7 +121,7 @@ vn_buffer_cache_entries_create(struct vn_device *dev,
buf = vn_buffer_from_handle(buf_handle);
/* TODO remove below after VK_KHR_maintenance4 is available */
/* TODO remove below after VK_KHR_maintenance4 becomes a requirement */
if (buf->requirements.memory.memoryRequirements.alignment <
buf->requirements.memory.memoryRequirements.size) {
vk_free(alloc, entries);
@ -155,8 +156,8 @@ static VkResult
vn_buffer_get_max_buffer_size(struct vn_device *dev,
uint64_t *out_max_buffer_size)
{
/* TODO use VK_KHR_maintenance4 when available */
const VkAllocationCallbacks *alloc = &dev->base.base.alloc;
struct vn_physical_device *pdev = dev->physical_device;
VkDevice dev_handle = vn_device_to_handle(dev);
VkBuffer buf_handle;
VkBufferCreateInfo create_info = {
@ -168,6 +169,16 @@ vn_buffer_get_max_buffer_size(struct vn_device *dev,
uint8_t begin = 0;
uint8_t end = 64;
if (pdev->features.maintenance4.maintenance4) {
*out_max_buffer_size = pdev->properties.maintenance4.maxBufferSize;
return VK_SUCCESS;
}
/* For drivers that don't support VK_KHR_maintenance4, we try to estimate
* the maxBufferSize using binary search.
* TODO remove all the search code after VK_KHR_maintenance4 becomes
* a requirement.
*/
while (begin < end) {
uint8_t mid = (begin + end) >> 1;
create_info.size = 1ull << mid;
@ -259,7 +270,8 @@ vn_buffer_cache_get_memory_requirements(
create_info->usage)) {
*out = entry->requirements;
/* TODO remove the comment after VK_KHR_maintenance4 is available
/* TODO remove the comment after VK_KHR_maintenance4 becomes a
* requirement
*
* This is based on below implementation defined behavior:
*